653692189 has 2 divisors, whose sum is σ = 653692190. Its totient is φ = 653692188.

The previous prime is 653692183. The next prime is 653692201. The reversal of 653692189 is 981296356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 627252025 + 26440164 = 25045^2 + 5142^2 .

It is a cyclic number.

It is not a de Polignac number, because 653692189 - 2³ = 653692181 is a prime.

It is a super-2 number, since 2×653692189² = 854626955919223442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653692181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326846094 + 326846095.

It is an arithmetic number, because the mean of its divisors is an integer number (326846095).

Almost surely, 2^653692189 is an apocalyptic number.

It is an amenable number.

653692189 is a deficient number, since it is larger than the sum of its proper divisors (1).

653692189 is an equidigital number, since it uses as much as digits as its factorization.

653692189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The square root of 653692189 is about 25567.4048155068. The cubic root of 653692189 is about 867.8761729006.

The spelling of 653692189 in words is "six hundred fifty-three million, six hundred ninety-two thousand, one hundred eighty-nine".